package com.sky.mapper;

import com.sky.entity.ShoppingCart;
import org.apache.ibatis.annotations.Delete;
import org.apache.ibatis.annotations.Insert;
import org.apache.ibatis.annotations.Mapper;
import org.apache.ibatis.annotations.Update;

import java.util.List;

@Mapper
public interface ShoppingCartMapper {

    List<ShoppingCart> list(ShoppingCart shoppingCart);

   @Update("update shopping_cart set number = #{number} where id = #{id}")
    void updateNumberById(ShoppingCart cart);


    void insert(ShoppingCart shoppingCart);

    void deleteById(Long id);
@Delete("delete from shopping_cart where user_id = #{userId}")
    void deleteByUserId(Long userId);

    /**
     * 批量插入购物车数据
     *
     * @param shoppingCartList
     */
    void insertBatch(List<ShoppingCart> shoppingCartList);
}
